h. Make sure no part of the motor touches the fender or
tire. Tignten screws on the clamp brackets A & B.
i, Tighten axle shaft nut (6), Connect sub muffler (7)
with rubber joint (8) and attache spring clips. ([-7)
j. Install throttle lever in convenient position on bicycle
handle bar. (1-8)
STARTING INSTRUCTIONS
1. BEFORE STARTING
The motor uses a fuel mix of 25 0arts regular gesoline
to 1 part two-cycle oil. The fuel shouldbe premixed
prior to pouring into the fuel tank (12), Itis recom-
mended that a quality two-cycle oil be used in the
fuel mix. Failure to mix oil wi_h gasoline will result
in seizure and severe damage to the motor.
2.
." _ :,'NOTE:
STARTING OPERATION
a. Before starting, push knobbed area (A) of Primer
Pump (20) several times by finger, until Fuel gets to
• Carburetor.
b. Push down the roller engage lever.' ([-9)
c, Push the throttle lever away from you (closed posi-
tion).
d. Pedal the bicycle at proper speed.
e. Pull the roller engage lever up to start the motor.
When the motor is cold, the throttle lever must be
placed at fully closed position for the carburetor's
pump:up action.
f. Keep pedaling until the motor starts,
NOTE: For the first run, a little longer pedaling
would be required n order to pump gas
into the carburetor.
g, After the motor starts, gradually open the throttle.
NOTE: As the motor has been equipped with the
choke-less carburetor,;the motor will start
if'the throttle lever is-positioned at idle.
For starting in cold weather, a little longer
pedaling is required_ ,When extremely cold
use special choke lever (17).
3. DRIVING INSTRUCTIONS
a, The bike speed is controlled by ithe throttle lever.
On the throttle lever there is als0 a "red" motor
stop switch (16) which wil! turn the. motor off
in a_qy position.
b, When climbing a steep hill some pedal-assistance
from you may be necessary, Use your bike's lower
gears if necessary. Remember, mopeds also need
assistance on steep hills, but they don't have the
gears you probably have on your own bike.
c. When slowing down, reduce speed with the throttle
"or disengage the driving roller off the wheel. In an
emergency stop, just use.your brakes hard, and the
motor will stall itself, Drive carefully at all times•
,d. To re-start after a sudden stop, just follow regular
starting procedures.
e, When going down a long slo;3e, do not use,engine
brake. Disengage the driving roller.
f. On bad. roads, or going cross-country, operate the
motor at- moderate speeds, foi" your own safety,
and the protection of the mo,:or.
4
PRIMER PUMP
/
./
/
1-8 I-9
4. MOTOR SHUTDOWN
Returri' throttle lever to idle and depress "red" mot,
stop switch
MAINTENANCE AND ADJUSTMENT
SPARK PLUG
Always use the recommended spark plug (NGK BM-6
or the equivalent) and occasionally check the plug g_
which should be 0.6mm (0.023 _ 0.025 in.). Und_
normal circumstances the electrodes should be perfectl
dry and light brown in col or. If the electrodes are covert
with carbon or oil, the plug should be cleaned; either
solvent or by sand blasting. Be sure to remove all sotver
or grit before reinstalling the spark plug, ([-t0)
GOOD 0m
WRONG
2 0,025 in
WRONG SCRAPE 'OFF CARBON
TIRE INFLATION I--lO
DECARBONIZING -"
• When the exhaust port:of the cylinder and exhaust ope_
ing of the muffler or piston are found carbonized an
narrowed after 10ng use, the motor tends to give insu
ficient power, tt is very important that. the exhaust pc4
of the cylinder and exhaust port of the muffler are ctear
ed with utmost care. This ,should be done at least aft(
every 50hour's operation.
